STA323W_08 datasheet(19/77 Pages) STMICROELECTRONICS

部品番号	STA323W

部品情報	2.1-channel high-efficiency digital audio system

PDF	77 Pages

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メーカー	STMICROELECTRONICS [STMicroelectronics]

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STA323W

Electrical specifications

19/77

4.4

Timing specifications

Figure 9.

Test circuit 1

IVCC

Supply current from VCC in

operation

(both channel switching)

Input pulse width = 50%

duty,

switching frequency =

384 kHz,

no LC filters;

Iout-sh

Overcurrent protection

threshold (short circuit current

limit)

VUV

Under voltage protection

threshold

tpw-min

Output minimum pulse width

No Load

150

Output power

THD = 10%,

RL = 8 Ω, VCC = 18 V

Output power

THD = 1%,

RL = 8 Ω, VCC = 18 V

Table 11.

Power electrical characteristics (continued)

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

Table 12.

Timing characteristics

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

tRESET

Hold time for RESET (pin 22)

Active low rest

100

fVCO

VCO free run frequency

No clock applied to XTI

MHz

DTr

DTf

Vcc

(3/4)Vcc

(1/2)Vcc

(1/4)Vcc

OUTxY

Low current dead time = MAX(DTr, DTf)

+Vcc

Duty cycle = 50%

INxY

M58

M57

OUTxY

gnd

vdc = Vcc/2

V67

R 8

Ω

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